Resolution: 800dpi
Port: PS/2,USB,
Deluxe ergonomics design to comfortable hand touch
Fit for your left hand and right hand
Zoom in and zoom out function
Various colors available
Working on any surface except glass
Button life: Over 1, 000, 000 times
System requirement: IBM / PC windows 9X / 2000 / ME / XP / NT4.0
Packing: White box, gift box, and blister box